what-the-bank/sources/com/facetec/sdk/fy.java

138 lines
4.0 KiB
Java

package com.facetec.sdk;
import com.google.common.primitives.UnsignedBytes;
import java.io.BufferedInputStream;
import java.io.FilterInputStream;
import java.io.IOException;
import java.io.InputStream;
/* loaded from: classes.dex */
public final class fy extends FilterInputStream {
private byte[] a;
private long[] b;
private long[] c;
private short d;
private final int e;
private int g;
private int h;
private int j;
@Override // java.io.FilterInputStream, java.io.InputStream
public final boolean markSupported() {
return false;
}
public fy(InputStream inputStream, int i, int i2, short s, int i3, int i4) throws IOException {
super(new BufferedInputStream(inputStream, 4096));
this.g = Integer.MAX_VALUE;
int min = Math.min(Math.max((int) s, 4), 8);
this.e = min;
this.a = new byte[min];
this.b = new long[4];
this.c = new long[4];
this.j = min;
this.h = min;
this.b = gf.c(i ^ i4, min ^ i4);
this.c = gf.c(i2 ^ i4, i3 ^ i4);
}
@Override // java.io.FilterInputStream, java.io.InputStream
public final int read() throws IOException {
a();
int i = this.j;
if (i >= this.h) {
return -1;
}
byte[] bArr = this.a;
this.j = i + 1;
return bArr[i] & UnsignedBytes.MAX_VALUE;
}
@Override // java.io.FilterInputStream, java.io.InputStream
public final int read(byte[] bArr, int i, int i2) throws IOException {
int i3 = i + i2;
for (int i4 = i; i4 < i3; i4++) {
a();
int i5 = this.j;
if (i5 >= this.h) {
if (i4 == i) {
return -1;
}
return i2 - (i3 - i4);
}
byte[] bArr2 = this.a;
this.j = i5 + 1;
bArr[i4] = bArr2[i5];
}
return i2;
}
@Override // java.io.FilterInputStream, java.io.InputStream
public final long skip(long j) throws IOException {
long j2 = 0;
while (j2 < j && read() != -1) {
j2++;
}
return j2;
}
@Override // java.io.FilterInputStream, java.io.InputStream
public final int available() throws IOException {
a();
return this.h - this.j;
}
private int a() throws IOException {
int i;
if (this.g == Integer.MAX_VALUE) {
this.g = ((FilterInputStream) this).in.read();
}
if (this.j == this.e) {
byte[] bArr = this.a;
int i2 = this.g;
bArr[0] = (byte) i2;
if (i2 < 0) {
throw new IllegalStateException("unexpected block size");
}
int i3 = 1;
do {
int read = ((FilterInputStream) this).in.read(this.a, i3, this.e - i3);
if (read <= 0) {
break;
}
i3 += read;
} while (i3 < this.e);
if (i3 < this.e) {
throw new IllegalStateException("unexpected block size");
}
e();
int read2 = ((FilterInputStream) this).in.read();
this.g = read2;
this.j = 0;
if (read2 < 0) {
int i4 = this.e;
i = i4 - (this.a[i4 - 1] & UnsignedBytes.MAX_VALUE);
} else {
i = this.e;
}
this.h = i;
}
return this.h;
}
private void e() {
long[] jArr = this.b;
long[] jArr2 = this.c;
short s = this.d;
long j = jArr[s % 4];
long j2 = jArr2[(s + 2) % 4];
int i = (s + 3) % 4;
jArr2[i] = ((jArr[i] * 2147483085) + j2) / 2147483647L;
jArr[i] = ((j * 2147483085) + j2) % 2147483647L;
for (int i2 = 0; i2 < this.e; i2++) {
this.a[i2] = (byte) (r1[i2] ^ ((this.b[this.d] >> (i2 << 3)) & 255));
}
this.d = (short) ((this.d + 1) % 4);
}
}